diff --git a/perf-scripts/generate_flows.py b/perf-scripts/generate_flows.py
new file mode 100755
index 0000000..11d9c19
--- /dev/null
+++ b/perf-scripts/generate_flows.py
@@ -0,0 +1,90 @@
+#! /usr/bin/env python
+# -*- Mode: python; py-indent-offset: 4; tab-width: 8; indent-tabs-mode: t; -*-
+
+#
+# A script for generating a number of flows.
+#
+# The output of the script should be saved to a file, and the flows from
+# that file should be added by the following command:
+#
+#   web/add_flow.py -f filename
+# 
+# NOTE: Currently, some of the parameters fo the flows are hard-coded,
+# and all flows are between same source and destination DPID and ports
+# (differentiated by different matchSrcMac and matchDstMac).
+#
+
+import copy
+import pprint
+import os
+import sys
+import subprocess
+import json
+import argparse
+import io
+import time
+
+## Global Var ##
+
+DEBUG=0
+pp = pprint.PrettyPrinter(indent=4)
+
+## Worker Functions ##
+def log_error(txt):
+  print '%s' % (txt)
+
+def debug(txt):
+  if DEBUG:
+    print '%s' % (txt)
+
+
+if __name__ == "__main__":
+  usage_msg = "Generate a number of flows by using a pre-defined template.\n"
+  usage_msg = usage_msg + "\n"
+  usage_msg = usage_msg + "NOTE: This script is work-in-progress. Currently all flows are within same\n"
+  usage_msg = usage_msg + "pair of switch ports and contain auto-generated MAC-based matching conditions.\n"
+  usage_msg = usage_msg + "\n"
+  usage_msg = usage_msg + "Usage: %s <begin-flow-id> <end-flow-id>\n" % (sys.argv[0])
+  usage_msg = usage_msg + "\n"
+  usage_msg = usage_msg + "    The output should be saved to a file, and the flows should be installed\n"
+  usage_msg = usage_msg + "    by using the command './add_flow.py -f filename'\n"
+
+
+  # app.debug = False;
+
+  # Usage info
+  if len(sys.argv) > 1 and (sys.argv[1] == "-h" or sys.argv[1] == "--help"):
+    print(usage_msg)
+    exit(0)
+
+  # Check arguments
+  if len(sys.argv) < 3:
+    log_error(usage_msg)
+    exit(1)
+
+  # Extract the arguments
+  begin_flow_id = int(sys.argv[1], 0)
+  end_flow_id = int(sys.argv[2], 0)
+  if begin_flow_id > end_flow_id:
+    log_error(usage_msg)
+    exit(1)
+
+  #
+  # Do the work
+  #
+  # NOTE: Currently, up to 65536 flows are supported.
+  # More flows can be supported by iterating by, say, iterating over some of
+  # the other bytes of the autogenereated source/destination MAC addresses.
+  #
+  flow_id = begin_flow_id
+  idx = 0
+  while flow_id <= end_flow_id:
+    mac3 = idx / 255
+    mac4 = idx % 255
+    str_mac3 = "%0.2x" % mac3
+    str_mac4 = "%0.2x" % mac4
+    src_mac = "00:00:" + str_mac3 + ":" + str_mac4 + ":00:00";
+    dst_mac = "00:01:" + str_mac3 + ":" + str_mac4 + ":00:00";
+    print "%s FOOBAR 00:00:00:00:00:00:00:01 1 00:00:00:00:00:00:00:01 2 matchSrcMac %s matchDstMac %s" % (flow_id, src_mac, dst_mac)
+    flow_id = flow_id + 1
+    idx = idx + 1